A recoding audit is intended to assess what aspect of a registrar's work?

A recoding audit primarily assesses the quality and accuracy of data that a registrar records, which includes evaluating the consistency of data coding with established guidelines and standards. This type of audit is essential because it helps identify discrepancies or errors that may arise in the coding process, which directly impacts the reliability of cancer registry data.

While the other options relate to important aspects of a registrar's work, they are not the primary focus of a recoding audit. Timeliness of reporting pertains to how swiftly registrars submit data after patient diagnosis or treatment, and case incidence completeness refers to the accuracy and thoroughness in capturing all cases of a specific cancer diagnosed in a given timeframe. Training needs might be highlighted as an indirect result of the audit findings, but they are not the main objective of a recoding audit.

Thus, the correct answer is guided by the specific intent of a recoding audit, which focuses explicitly on the quality of the data coding process rather than the broader aspects of case reporting and registrar training.